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| AIG | AIG: A package for studying Automatic Item Generators. |
| arith | ICAR Arithmetic Generator |
| lisy | Linear Syllogism Generator |
| spatial2d | Spatial 2D Reasoning Items |
| spatial3d | Spatial 3D Reasoning Item |
| spatial3dDouble | Spatial 3D Reasoning Item (double shapes) |
| spatial3d_mirror | Mirror Spatial 3D Reasoning Item |
| spatial3d_mirrorDouble | Mirror Spatial 3D Reasoning Item (2) |